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yarn.nodemanager.vmem-check-enabled - Hadoop - [mail # user]
...Is this option typically enabled in practice?  Is there a way for a specific AM to disable it, or is it site-wide? We are finding that our YARN application, because it launches many thr...
   Author: John Lilley, 2013-10-20, 14:34
Scheduler question - Hadoop - [mail # user]
...Do the Hadoop 2.0 YARN scheduler(s) deal with situations like the following? Hadoop cluster of 10 nodes, with 8GB each available for containers.  There is only one queue. Application A ...
   Author: John Lilley, 2013-09-09, 00:21
RE: yarn-site.xml and aux-services - Hadoop - [mail # user]
...Following up on this, how exactly does one *install* the jar(s) for auxiliary service?  Can it be shipped out with the LocalResources of an AM? MapReduce's aux-service is presumably ins...
   Author: John Lilley, 2013-08-22, 20:38
RE: Accessing HDFS - Hadoop - [mail # user]
...Thanks!  They are fine, I was just confused seeing them talked about in forums. John   From: Harsh J [mailto:[EMAIL PROTECTED]]  Sent: Friday, July 05, 2013 8:01 PM To:  ...
   Author: John Lilley, 2013-07-15, 21:27
HDFS block storage - Hadoop - [mail # user]
...I was looking at the HDFS block storage and noticed a couple things (1) all block files are in a flat directory structure (2) there is a "meta" file for each block file.  This leads me ...
   Author: John Lilley, 2013-07-15, 18:23
RE: Requesting containers on a specific host - Hadoop - [mail # user]
...Arun, I'm don't know how to interpret the release schedule from the JIRA.  It says that the patch targets 2.1.0 and it is checked into the trunk, does that mean it is likely to be rolle...
   Author: John Lilley, 2013-07-04, 21:43
temporary folders for YARN tasks - Hadoop - [mail # user]
...When a YARN app and its tasks wants to write temporary files, how does it know where to write the files? I am assuming that each task has some temporary space available, and I hope it is ava...
   Author: John Lilley, 2013-07-01, 20:37
RE: built hadoop! please help with next steps? - Hadoop - [mail # user]
...I am getting errors trying to install m2e… has anyone else encountered this? Cannot complete the install because one or more required items could not be found.   Software being installe...
   Author: John Lilley, 2013-06-03, 23:49
RE: HDFS interfaces - Hadoop - [mail # user]
...Mahmood,  It is the in the FileSystem interface. http://hadoop.apache.org/docs/current/api/org/apache/hadoop/fs/FileSystem.html#getFileBlockLocations(org.apache.hadoop.fs.Path, long, lo...
   Author: John Lilley, 2013-06-03, 22:58
RE: How to start developing! - Hadoop - [mail # user]
...I had asked a similar question recently:  First, follow the instructions in BUILDING.txt.  It is a bit tedious, but if you are careful and get all of the exact versions of everythi...
   Author: John Lilley, 2013-06-03, 16:59
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